Common Evening Primrose
Oenothera biennis
Common evening primrose is a tall biennial whose lemon-yellow flowers open at evening for moths; its seeds are a favorite winter food of goldfinches. A pioneer of open, disturbed ground.
- Family
- Onagraceae
- Type
- wildflower
- Lifespan
- biennial
- Height
- 3–5 ft
- Spacing
- 1–2 ft apart
- Light
- sun
- Soil moisture
- dry, moist
- Soil pH
- neutral, acidic
- Bloom
- June, July, August, September
- Bloom colors
- yellow
- Wildlife value
- pollinators, butterflies
- Landscape uses
- border
- Native states
- AL, AR, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, VA, VT, WA, WI, WV